<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<script type="text/javascript">
(function(){
	alert("会话过期,请重新登录!");
	window.location.href = "<%=basePath%>backgroundManager/login.jsp";
})();
</script>
